[Bug tree-optimization/87929] New: ICE in verify_gimple failed

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87929

            Bug ID: 87929
           Summary: ICE in verify_gimple failed
           Product: gcc
           Version: 9.0
            Status: UNCONFIRMED
          Keywords: ice-on-invalid-code
          Severity: normal
          Priority: P3
         Component: tree-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: marxin at gcc dot gnu.org
  Target Milestone: ---

Very old ICE, probably caused by strange option combination:

$ gcc /home/marxin/Programming/gcc/gcc/testsuite/gfortran.dg/f2c_4.c
-fexceptions -fnon-call-exceptions -fsignaling-nans
/home/marxin/Programming/gcc/gcc/testsuite/gfortran.dg/f2c_4.c: In function
‘f2c_4c__’:
/home/marxin/Programming/gcc/gcc/testsuite/gfortran.dg/f2c_4.c:30:6: error:
statement marked for throw, but doesn’t
   30 | void f2c_4c__(void) {
      |      ^~~~~~~~
_7 = _17;
during GIMPLE pass: cplxlower0
/home/marxin/Programming/gcc/gcc/testsuite/gfortran.dg/f2c_4.c:30:6: internal
compiler error: verify_gimple failed
0xdf2d71 verify_gimple_in_cfg(function*, bool)
        /home/marxin/Programming/gcc/gcc/tree-cfg.c:5422
0xcb553e execute_function_todo
        /home/marxin/Programming/gcc/gcc/passes.c:1925
0xcb5e5a execute_todo
        /home/marxin/Programming/gcc/gcc/passes.c:1979
Please submit a full bug report,